Interior door panel for a vehicle



FIG. 1 is a perspective view of an interior door panel for a vehicle showing my new design;

FIG. 2 is an enlarged front elevational view thereof; and,

FIG. 3 is a enlarged top plan view thereof.

The broken line showing of the door lock, indicator light, control buttons and the remainder of the door is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an interior door panel for a vehicle, as shown and described. 